13303312033220 has 192 divisors, whose sum is σ = 32741203622400. Its totient is φ = 4486553763840.

The previous prime is 13303312033217. The next prime is 13303312033243. The reversal of 13303312033220 is 2233021330331.

It is a happy number.

It is a super-2 number, since 2×13303312033220² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13303312033220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 308218001 + ... + 308261159.

It is an arithmetic number, because the mean of its divisors is an integer number (170527102200).

Almost surely, 2^{13303312033220} is an apocalyptic number.

13303312033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13303312033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16370601811200).

13303312033220 is an abundant number, since it is smaller than the sum of its proper divisors (19437891589180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13303312033220 is a wasteful number, since it uses less digits than its factorization.

13303312033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44398 (or 44396 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 13303312033220 its reverse (2233021330331), we get a palindrome (15536333363551).

The spelling of 13303312033220 in words is "thirteen trillion, three hundred three billion, three hundred twelve million, thirty-three thousand, two hundred twenty".